form1.cs

PCI8408的驱动接口源文件（带示例）

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;

namespace _8408_demo_cs
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Button button4;
		private System.Windows.Forms.Button button3;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.button4 = new System.Windows.Forms.Button();
			this.button3 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(72, 48);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(160, 32);
			this.button1.TabIndex = 0;
			this.button1.Text = "所有开关量输入";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(288, 48);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(160, 32);
			this.button2.TabIndex = 1;
			this.button2.Text = "第1路开关量输入";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// button4
			// 
			this.button4.Location = new System.Drawing.Point(288, 120);
			this.button4.Name = "button4";
			this.button4.Size = new System.Drawing.Size(160, 32);
			this.button4.TabIndex = 3;
			this.button4.Text = "第1路开关量输出高电平";
			this.button4.Click += new System.EventHandler(this.button4_Click);
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(72, 120);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(160, 32);
			this.button3.TabIndex = 2;
			this.button3.Text = "所有开关量输出高电平";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(528, 206);
			this.Controls.Add(this.button4);
			this.Controls.Add(this.button3);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Name = "Form1";
			this.Text = "Form1";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.Closed += new System.EventHandler(this.Form1_Closed);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}
		//函数声明
		//打开设备
		[DllImport("pci8408.dll", CharSet=CharSet.Auto)]
		public static extern int ZT8408_OpenDevice(uint cardNO);
		//关闭设备
		[DllImport("pci8408.dll", CharSet=CharSet.Auto)]
		public static extern int ZT8408_CloseDevice(uint cardNO);
		//得到错误号
		[DllImport("pci8408.dll", CharSet=CharSet.Auto)]
		public static extern int ZT8408_GetLastErr();
		//清除错误号
		[DllImport("pci8408.dll", CharSet=CharSet.Auto)]
		public static extern void ZT8408_ClearLastErr();
		//单通道开关量输入
		[DllImport("pci8408.dll", CharSet=CharSet.Auto)]
		public static extern int ZT8408_DIBit(uint cardNO, uint chNO);
		//所有通道开关量输入
		[DllImport("pci8408.dll", CharSet=CharSet.Auto)]
		public static extern int ZT8408_DIAll(uint cardNO);
		//单通道开关量输出
		[DllImport("pci8408.dll", CharSet=CharSet.Auto)]
		public static extern int ZT8408_DOBit(uint cardNO, uint chNO, uint nState);
		//所有通道开关量输出
		[DllImport("pci8408.dll", CharSet=CharSet.Auto)]
		public static extern int ZT8408_DOAll(uint cardNO, uint nStateAll);

		//MSDN例子
		[DllImport("user32.dll")]
		public static extern int MessageBoxA(int hwnd, string message,
			string caption, int type);

		uint m_cardNO = 1; //保存板卡号，从1开始
		private void Form1_Load(object sender, System.EventArgs e)
		{
			//打开设备
			if( ZT8408_OpenDevice(m_cardNO) != 0 ) //只打开一次即可
				MessageBox.Show(this,"打开设备失败","出错");		
		}

		private void Form1_Closed(object sender, System.EventArgs e)
		{
			//关闭设备
			if( ZT8408_CloseDevice(m_cardNO) != 0 )
				MessageBox.Show(this,"关闭设备失败","出错");						
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			//所有开关量输入
			string tempStr;
			tempStr = "所有通道输入为: " + ZT8408_DIAll(m_cardNO).ToString();
			MessageBox.Show(this,tempStr);
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			//第1路开关量输入
			string tempStr;
			tempStr = "第1通道输入为: " + ZT8408_DIBit(m_cardNO,1).ToString();
			MessageBox.Show(this,tempStr);			
		}

		private void button3_Click(object sender, System.EventArgs e)
		{
			//所有开关量输出高电平
			ZT8408_DOAll(m_cardNO, 0xFFFF);
		}

		private void button4_Click(object sender, System.EventArgs e)
		{
			//第1路开关量输出高电平
			ZT8408_DOBit(m_cardNO, 1, 1);
		}
	}
}